jdk-24/test/jdk/java/awt/dnd/DropActionChangeTest.java
2024-09-14 05:08:57 +00:00

264 lines
8.8 KiB
Java

/*
* Copyright (c) 2003, 2023, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.awt.AWTEvent;
import java.awt.Component;
import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.Panel;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.datatransfer.StringSelection;
import java.awt.dnd.DnDConstants;
import java.awt.dnd.DragGestureListener;
import java.awt.dnd.DragSource;
import java.awt.dnd.DragSourceAdapter;
import java.awt.dnd.DragSourceDropEvent;
import java.awt.dnd.DragSourceListener;
import java.awt.dnd.DropTarget;
import java.awt.dnd.DropTargetAdapter;
import java.awt.dnd.DropTargetDragEvent;
import java.awt.dnd.DropTargetDropEvent;
import java.awt.dnd.DropTargetListener;
import java.awt.event.AWTEventListener;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import java.awt.event.MouseEvent;
import java.io.File;
import java.util.concurrent.atomic.AtomicReference;
import javax.imageio.ImageIO;
import javax.swing.JFrame;
/*
@test
@bug 4896462
@summary tests that drop action is computed correctly
@key headful
@run main DropActionChangeTest
*/
public class DropActionChangeTest extends JFrame implements AWTEventListener {
private static Robot robot;
private static Frame frame;
private static volatile DropActionChangeTest test;
Panel panel;
private volatile boolean failed;
private volatile boolean dropEnd;
private volatile Component clickedComponent;
private final Object LOCK = new Object();
static final int DROP_COMPLETION_TIMEOUT = 8000;
static final int MOUSE_RELEASE_TIMEOUT = 2000;
public static void main(String[] args) throws Exception {
EventQueue.invokeAndWait(() -> test = new DropActionChangeTest());
EventQueue.invokeAndWait(test::init);
try {
test.start();
} finally {
EventQueue.invokeAndWait(DropActionChangeTest::disposeFrame);
}
}
public void init() {
getToolkit().addAWTEventListener(this, AWTEvent.MOUSE_EVENT_MASK);
setSize (200,200);
setTitle("DropActionChangeTest");
setVisible(true);
validate();
frame = new Frame("Empty Frame with Panel");
panel = new Panel();
frame.add(panel);
frame.setBounds(300, 300, 300, 300);
failed = false;
final DragSourceListener dsl = new DragSourceAdapter() {
public void dragDropEnd(DragSourceDropEvent e) {
System.err.println("DragSourceListener.dragDropEnd(): " +
"drop action=" + e.getDropAction());
if (e.getDropAction() != DnDConstants.ACTION_MOVE) {
System.err.println("FAILURE: wrong drop action:"
+ e.getDropAction() + ", It should be "
+ DnDConstants.ACTION_MOVE);
failed = true;
}
synchronized (LOCK) {
dropEnd = true;
LOCK.notifyAll();
}
}
};
DragGestureListener dgl = dge -> dge.startDrag(null, new StringSelection("test"), dsl);
new DragSource().createDefaultDragGestureRecognizer(panel,
DnDConstants.ACTION_COPY_OR_MOVE, dgl);
DropTargetListener dtl = new DropTargetAdapter() {
public void dragEnter(DropTargetDragEvent e) {
System.err.println("DropTargetListener.dragEnter(): " +
"user drop action=" + e.getDropAction());
e.acceptDrag(e.getDropAction());
}
public void dragOver(DropTargetDragEvent e) {
e.acceptDrag(e.getDropAction());
}
public void drop(DropTargetDropEvent e) {
System.err.println("DropTargetListener.drop(): " +
"user drop action=" + e.getDropAction());
e.acceptDrop(e.getDropAction());
e.dropComplete(true);
}
};
new DropTarget(panel, dtl);
frame.setVisible(true);
}
private static void disposeFrame() {
if (frame != null) {
frame.dispose();
}
if (test != null) {
test.dispose();
}
}
public void start() {
try {
robot = new Robot();
robot.setAutoDelay(100);
robot.waitForIdle();
robot.delay(500);
AtomicReference<Point> startPointRef = new AtomicReference<>();
EventQueue.invokeAndWait(()-> startPointRef.set(panel.getLocationOnScreen()));
Point startPoint = startPointRef.get();
startPoint.translate(50, 50);
if (!pointInComponent(robot, startPoint, panel)) {
System.err.println("WARNING: Couldn't locate source panel");
return;
}
Point medPoint = new Point(startPoint.x + (DragSource.getDragThreshold()+10)*2,
startPoint.y);
Point endPoint = new Point(startPoint.x + (DragSource.getDragThreshold()+10)*4,
startPoint.y);
synchronized (LOCK) {
robot.keyPress(KeyEvent.VK_CONTROL);
robot.mouseMove(startPoint.x, startPoint.y);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
Util.doDrag(robot, startPoint, medPoint);
robot.delay(500);
robot.keyRelease(KeyEvent.VK_CONTROL);
Util.doDrag(robot, medPoint, endPoint);
robot.delay(500);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
LOCK.wait(DROP_COMPLETION_TIMEOUT);
}
if (!dropEnd) {
captureScreen("No_Drop_End_");
System.err.println("DragSourceListener.dragDropEnd() was not called, returning");
return;
}
} catch (Throwable e) {
e.printStackTrace();
}
if (failed) {
captureScreen("Wrong_Drop_Action_");
throw new RuntimeException("Wrong drop action!");
}
System.err.println("Test passed!");
}
private static void captureScreen(String str) {
try {
final Rectangle screenBounds = new Rectangle(
Toolkit.getDefaultToolkit().getScreenSize());
ImageIO.write(robot.createScreenCapture(screenBounds), "png",
new File(str + "Failure_Screen.png"));
} catch (Exception e) {
e.printStackTrace();
}
}
public void reset() {
clickedComponent = null;
}
public void eventDispatched(AWTEvent e) {
if (e.getID() == MouseEvent.MOUSE_RELEASED) {
clickedComponent = (Component)e.getSource();
synchronized (LOCK) {
LOCK.notifyAll();
}
}
}
boolean pointInComponent(Robot robot, Point p, Component comp)
throws InterruptedException {
robot.waitForIdle();
reset();
robot.mouseMove(p.x, p.y);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
synchronized (LOCK) {
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
LOCK.wait(MOUSE_RELEASE_TIMEOUT);
}
Component c = clickedComponent;
while (c != null && c != comp) {
c = c.getParent();
}
return c == comp;
}
}
class Util {
public static int sign(int n) {
return n < 0 ? -1 : n == 0 ? 0 : 1;
}
public static void doDrag(Robot robot, Point startPoint, Point endPoint) {
robot.waitForIdle();
for (Point p = new Point(startPoint); !p.equals(endPoint);
p.translate(Util.sign(endPoint.x - p.x),
Util.sign(endPoint.y - p.y))) {
robot.mouseMove(p.x, p.y);
}
}
}